CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025

Shares 150,000 Value ($000) $34,677 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 227,000 Value ($000) $44,742 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 97,000 Value ($000) $22,324 Avg Close $248.40 Range $220.10 - $267.11

Q1 2024

Shares 49,742 Value ($000) $10,014 Avg Close $179.73 Range $161.39 - $202.58

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	150,000	$34,677	$218.92	$178.29 - $235.43
Q1 2025	227,000	$44,742	$218.84	$186.54 - $247.51
Q4 2024	97,000	$22,324	$248.40	$220.10 - $267.11
Q1 2024	49,742	$10,014	$179.73	$161.39 - $202.58